<template>
  <view v-show="!isLoading" class="container">
    <!-- 商品图片轮播 -->
    <SlideImage
      v-if="!isLoading"
      :video="goods.video"
      :videoCover="goods.videoCover"
      :images="goods.goods_images"
    />

    <!-- 商品信息 -->
    <view v-if="!isLoading" class="goods-info m-top20">
      <!-- 价格、销量 -->
      <view class="info-item info-item__top dis-flex flex-x-between flex-y-end">
        <view class="block-left dis-flex flex-y-center">
          <!-- 商品售价 -->
          <text class="floor-price__samll">￥</text>
          <text class="floor-price">{{ goods.goods_price_min }}</text>
          <!-- 会员价标签 -->
          <view v-if="goods.is_user_grade" class="user-grade">
            <text>会员价</text>
          </view>
          <!-- 划线价 -->
          <text v-if="goods.line_price_min > 0" class="original-price"
            >￥{{ goods.line_price_min }}</text
          >
        </view>
        <view class="block-right dis-flex">
          <!-- 销量 -->
          <view class="goods-sales">
            <text>已售{{ goods.goods_sales }}件</text>
          </view>
        </view>
      </view>
      <!-- 标题、分享 -->
      <view class="info-item info-item__name dis-flex flex-y-center">
        <view class="goods-name flex-box">
          <text class="twoline-hide">{{ goods.goods_name }}</text>
        </view>
        <!-- #ifdef MP-WEIXIN -->
        <view class="goods-share__line"></view>
        <view class="goods-share">
          <button class="share-btn dis-flex flex-dir-column" open-type="share">
            <text class="share__icon iconfont icon-fenxiang"></text>
            <text class="f-24">分享</text>
          </button>
        </view>
        <!-- #endif -->
      </view>
      <!-- 商品卖点 -->
      <view
        v-if="goods.selling_point"
        class="info-item info-item_selling-point"
      >
        <text>{{ goods.selling_point }}</text>
      </view>
    </view>

    <!-- 选择商品规格 -->
    <view
      v-if="goods.spec_type == 20"
      class="goods-choice m-top20 b-f"
      @click="onShowSkuPopup(1)"
    >
      <view class="spec-list">
        <view class="flex-box">
          <text class="col-8">选择：</text>
          <text
            class="spec-name"
            v-for="(item, index) in goods.specList"
            :key="index"
            >{{ item.spec_name }}</text
          >
        </view>
        <view class="f-26 col-9 t-r">
          <text class="iconfont icon-arrow-right"></text>
        </view>
      </view>
    </view>

    <!-- 商品服务 -->
    <Service v-if="!isLoading" :goods-id="goodsId" />

    <!-- 商品SKU弹窗 -->
    <SkuPopup
      v-if="!isLoading"
      v-model="showSkuPopup"
      :skuMode="skuMode"
      :goods="goods"
      @addCart="addCart"
    />

    <Comment v-if="!isLoading" :goods-id="goodsId" :limit="2" />

    <!-- 商品描述 -->
    <view v-if="!isLoading" class="goods-content m-top20">
      <view class="item-title b-f">
        <text>商品描述</text>
      </view>
      <block v-if="goods.content != ''">
        <view class="goods-content__detail b-f">
          <mp-html :content="goods.content" />
        </view>
      </block>
      <empty v-else tips="亲，暂无商品描述" />
    </view>

    <!-- 底部选项卡 -->
    <view class="footer-fixed">
      <view class="footer-container">
        <!-- 导航图标 -->
        <view class="foo-item-fast">
          <!-- 首页 -->
          <view class="fast-item fast-item--home" @click="onTargetHome">
            <view class="fast-icon">
              <text class="iconfont icon-shouye"></text>
            </view>
            <view class="fast-text">
              <text>首页</text>
            </view>
          </view>
          <!-- 客服 (仅微信小程序端显示) -->
          <!-- #ifdef MP-WEIXIN -->
          <button class="btn-normal" open-type="contact">
            <view class="fast-item">
              <view class="fast-icon">
                <text class="iconfont icon-kefu1"></text>
              </view>
              <view class="fast-text">
                <text>客服</text>
              </view>
            </view>
          </button>
          <!-- #endif -->
          <!-- 购物车 -->
          <view class="fast-item fast-item--cart" @click="onTargetCart">
            <view v-if="cartTotal > 0" class="fast-badge fast-badge--fixed"
              >{{ cartTotal > 99 ? '99+' : cartTotal }}
            </view>
            <view class="fast-icon">
              <text class="iconfont icon-gouwuche"></text>
            </view>
            <view class="fast-text">
              <text>购物车</text>
            </view>
          </view>
        </view>
        <!-- 操作按钮 -->
        <view class="foo-item-btn">
          <view class="btn-wrapper">
            <view class="btn-item btn-item-deputy" @click="onShowSkuPopup(2)">
              <text>加入购物车</text>
            </view>
            <view class="btn-item btn-item-main" @click="onShowSkuPopup(3)">
              <text>立即购买</text>
            </view>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
import SlideImage from './components/SlideImage'
import SkuPopup from './components/SkuPopup'
import Comment from './components/Comment'
import Service from './components/Service'
// 导入数据便于理解
import testGoodData from './testGoodData.js'
import { detail } from '@/api/goods'
console.log(testGoodData)
export default {
  components: {
    SlideImage,
    SkuPopup,
    Comment,
    Service
  },
  data () {
    return {
      // 正在加载
      isLoading: true,
      // 当前商品ID
      goodsId: null,
      // 商品详情
      goods: {
        ...testGoodData // 注意把测试数据放进去
      },
      //商品详情数据
      goodsDeta: {},
      // 购物车总数量
      cartTotal: 0,
      // 显示/隐藏SKU弹窗
      showSkuPopup: false,
      // 模式 1:都显示 2:只显示购物车 3:只显示立即购买
      skuMode: 1
    }
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad (options) {
    // 记录商品ID
    this.goodsId = parseInt(options.id)
    // 加载页面数据
    this.goodsDetail()
  },

  methods: {
    // 渲染页面数据
    async goodsDetail () {
      const { data } = await detail(this.goodsId)
      this.goods = data.detail
      this.isLoading = false
      console.log(`output->this.goods`, this.goods)
    },
    // 更新购物车数量
    addCart (cartTotal) {
      console.log(`output->total`, cartTotal)
    },
    /**
     * 显示/隐藏SKU弹窗
     * @param {skuMode} 模式 1:都显示 2:只显示购物车 3:只显示立即购买
     */
    onShowSkuPopup (skuMode = 1) {
      this.skuMode = skuMode
      this.showSkuPopup = !this.showSkuPopup
    },

    // 跳转到首页
    onTargetHome (e) {
      uni.switchTab({ url: '/pages/index/index' })
    },

    // 跳转到购物车页
    onTargetCart () {
      uni.switchTab({ url: '/pages/cart/index' })
    }
  },

  /**
   * 分享当前页面
   */
  onShareAppMessage () {
    const app = this
    // 构建页面参数
    const params = app.$getShareUrlParams({
      goodsId: app.goodsId
    })
    return {
      title: app.goods.goods_name,
      path: `/pages/goods/detail?${params}`
    }
  },

  /**
   * 分享到朋友圈
   * 本接口为 Beta 版本，暂只在 Android 平台支持，详见分享到朋友圈 (Beta)
   * https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/share-timeline.html
   */
  onShareTimeline () {
    const app = this
    // 构建页面参数
    const params = app.$getShareUrlParams({
      goodsId: app.goodsId
    })
    return {
      title: app.goods.goods_name,
      path: `/pages/goods/detail?${params}`
    }
  }
}
</script>

<style>
page {
  background: #fafafa;
}
</style>
<style lang="scss" scoped>
@import './detail.scss';
</style>
